test/pthread/ex8-mtx-odd.c

   1 /* Copyright (C) 2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <time.h>
  26
  27
  28 static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
  29
  30 static int
  31 do_test (void)
  32 {
  33
  34   if (pthread_mutex_lock (&lock) != 0)
  35     {
  36       puts ("mutex_lock failed");
  37       exit (1);
  38     }
  39
  40   if (pthread_mutex_unlock (&lock) != 0)
  41     {
  42       puts ("1st mutex_unlock failed");
  43       exit (1);
  44     }
  45
  46   if (pthread_mutex_unlock (&lock) != 0)
  47     {
  48       puts ("2nd mutex_unlock failed");
  49       exit (1);
  50     }
  51
  52   return 0;
  53 }
  54
  55 #define TEST_FUNCTION do_test ()
  56 #include "../test-skeleton.c"